If the VPN service supports persistence, and this property is %TRUE, the VPN will attempt to stay connected across link changes and outages, until explicitly disconnected.
Dictionary of key/value pairs of VPN plugin specific secrets like passwords or private keys. Both keys and values must be strings.
D-Bus service name of the VPN plugin that this setting uses to connect to its network. i.e. org.freedesktop.NetworkManager.vpnc for the vpnc plugin.
Timeout for the VPN service to establish the connection. Some services may take quite a long time to connect. Value of 0 means a default timeout, which is 60 seconds (unless overridden by vpn.timeout in configuration file). Values greater than zero mean timeout in seconds.
If the VPN connection requires a user name for authentication, that name should be provided here. If the connection is available to more than one user, and the VPN requires each user to supply a different name, then leave this property empty. If this property is empty, NetworkManager will automatically supply the username of the user which requested the VPN connection.
Dictionary of key/value pairs of VPN plugin specific data. Both keys and values must be strings.